BR9913600A - Processes for increasing the properties of a catalyst vehicle through a treatment, for preparing a catalyst, and for the catalytic epoxidation of an alkene with an oxygen-containing gas - Google Patents

Processes for increasing the properties of a catalyst vehicle through a treatment, for preparing a catalyst, and for the catalytic epoxidation of an alkene with an oxygen-containing gas

Info

Publication number
BR9913600A
BR9913600A BR9913600-7A BR9913600A BR9913600A BR 9913600 A BR9913600 A BR 9913600A BR 9913600 A BR9913600 A BR 9913600A BR 9913600 A BR9913600 A BR 9913600A
Authority
BR
Brazil
Prior art keywords
vehicle
catalyst
processes
properties
treatment
Prior art date
Application number
BR9913600-7A
Other languages
Portuguese (pt)
Inventor
John Robert Lockemeyer
Original Assignee
Shell Int Research
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shell Int Research filed Critical Shell Int Research
Publication of BR9913600A publication Critical patent/BR9913600A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/06—Washing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/48—Silver or gold
    • B01J23/50—Silver
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D301/00—Preparation of oxiranes
    • C07D301/02—Synthesis of the oxirane ring
    • C07D301/03—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds
    • C07D301/04—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with air or molecular oxygen
    • C07D301/08—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with air or molecular oxygen in the gaseous phase
    • C07D301/10—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with air or molecular oxygen in the gaseous phase with catalysts containing silver or gold

Abstract

"PROCESSOS PARA AUMENTAR AS PROPRIEDADES DE UM VEìCULO PARA CATALISADOR ATRAVéS DE UM TRATAMENTO, PARA PREPARAR UM CATALISADOR, E PARA A EPOXIDAçãO CATALìTICA DE UM ALCENO COM UM GáS CONTENDO OXIGêNIO" A invenção refere-se a um processo para a preparação de um catalisador tendo propriedades aumentadas, o citado processo compreendendo selecionar um veículo, baixar a concentração de espécies ionizáveis presentes na superfície do veículo, e depositar uma quantidade cataliticamente efetiva de um ou mais metais cataliticamente reativos no veículo. A invenção além disso refere-se a catalisadores feitos a partir do processo e para o uso de tais catalisadores em processos de epoxidação de alceno. Nos exemplos a redução da concentração de espécies ionizáveis é obtida através da lavagem do veículo alfa alumina com a água fervente. A seguir o veículo secado é impregnado com um promotor e a prata."PROCESSES TO INCREASE THE PROPERTIES OF A VEHICLE FOR CATALYST THROUGH TREATMENT, TO PREPARE A CATALYST, AND FOR THE CATALYTIC EPOXIDATION OF AN ALCENE WITH A GAS CONTAINING OXYGEN" The invention refers to a process for the preparation of a catalyst increased properties, said process comprising selecting a vehicle, lowering the concentration of ionizable species present on the vehicle's surface, and depositing a catalytically effective amount of one or more catalytically reactive metals in the vehicle. The invention further relates to catalysts made from the process and for the use of such catalysts in alkene epoxidation processes. In the examples, the reduction of the concentration of ionizable species is obtained by washing the alpha alumina vehicle with boiling water. Then the dried vehicle is impregnated with a promoter and silver.

BR9913600-7A 1998-09-14 1999-09-09 Processes for increasing the properties of a catalyst vehicle through a treatment, for preparing a catalyst, and for the catalytic epoxidation of an alkene with an oxygen-containing gas BR9913600A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10019498P 1998-09-14 1998-09-14
PCT/EP1999/006721 WO2000015333A1 (en) 1998-09-14 1999-09-09 Process for removing ionizable species from catalyst surface to improve catalytic properties

Publications (1)

Publication Number Publication Date
BR9913600A true BR9913600A (en) 2001-05-22

Family

ID=22278549

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9913600-7A BR9913600A (en) 1998-09-14 1999-09-09 Processes for increasing the properties of a catalyst vehicle through a treatment, for preparing a catalyst, and for the catalytic epoxidation of an alkene with an oxygen-containing gas

Country Status (18)

Country Link
US (1) US6368998B1 (en)
EP (1) EP1115485A1 (en)
JP (1) JP4698835B2 (en)
KR (1) KR100572966B1 (en)
CN (1) CN1167500C (en)
AU (1) AU750895B2 (en)
BR (1) BR9913600A (en)
CA (1) CA2343783C (en)
GC (1) GC0000069A (en)
ID (1) ID28550A (en)
IN (1) IN218010B (en)
MX (1) MXPA01002590A (en)
MY (1) MY121089A (en)
RU (1) RU2232049C2 (en)
TR (1) TR200100748T2 (en)
TW (1) TWI232133B (en)
WO (1) WO2000015333A1 (en)
ZA (1) ZA200101901B (en)

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